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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Why Do I Feel Tired After 9 Hours Of Sleep?

Why do I feel tired after 9 hours sleep. i had 2 packages of oatmeal for breakfast, i was exhausted by lunch. is it my diet? i dont drink coffee or sodas.
Wed, 19 Jan 2011
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General & Family Physician,  's  Response
The possible cause could be that even though you sleep 9 hours,(average adult requirement is 7-8 hrs) you may not having deep sleep.

There are 5 phases of sleep. In simple terms Phases 1 and 2 are light sleep and 3 and 4 are deep sleep. The 5th phase is dreaming stage. If you lack the phases 3 and 4 which are deep sleep, you are likely to wake up tired even after sleeping enough time.

There could be various reasons. 1. Depression, 2. Fibromyalgia(associated with muscle pains), 3. Obstructive sleep apnea(associated with overweight and obesity)

Please have an MD evaluate you in his office and seek further management after diagnosis.
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Why Do I Feel Tired After 9 Hours Of Sleep?

The possible cause could be that even though you sleep 9 hours,(average adult requirement is 7-8 hrs) you may not having deep sleep. There are 5 phases of sleep. In simple terms Phases 1 and 2 are light sleep and 3 and 4 are deep sleep. The 5th phase is dreaming stage. If you lack the phases 3 and 4 which are deep sleep, you are likely to wake up tired even after sleeping enough time. There could be various reasons. 1. Depression, 2. Fibromyalgia(associated with muscle pains), 3. Obstructive sleep apnea(associated with overweight and obesity) Please have an MD evaluate you in his office and seek further management after diagnosis.